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74HC243DB Datasheet(PDF) 10 Page - NXP Semiconductors

Part # 74HC243DB
Description  Quad bus transceiver; 3-state
PDF  17 Pages
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Manufacturer  PHILIPS [NXP Semiconductors]
Direct Link  http://www.nxp.com
Logo PHILIPS - NXP Semiconductors

74HC243DB Datasheet(HTML) 10 Page - NXP Semiconductors

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9397 750 13808
© Koninklijke Philips Electronics N.V. 2004. All rights reserved.
Product data sheet
Rev. 03 — 12 November 2004
10 of 17
Philips Semiconductors
74HC243
Quad bus transceiver; 3-state
12. Waveforms
VM = 0.5 × VI.
Fig 5.
Waveforms showing the input (An and Bn) to output (Bn and An) propagation
delays and the output transition times
VM = 0.5 × VI.
Fig 6.
Waveforms showing the 3-state enable and disable times for input OEA
001aab955
An, Bn
input
Bn, An
output
VM
tPHL
tTHL
tTLH
tPLH
VM
VM
OEA input
output
LOW to OFF
OFF to LOW
output
HIGH to OFF
OFF to HIGH
VM
001aab959
tf
tr
90 %
10 %
tPLZ
VM
tPZL
tPHZ
tPZH
10 %
90 %
outputs
disabled
outputs
enabled
outputs
enabled



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